See boundary=administrative, admin_level=* varies; depending on the country a collection of arbitrary hamlets, villages and towns may form an administrative unit; sometimes members of a unit reform or join with another municipality as a result of political process. Within a municipality individual settlements are a lot less connected than those within a city, where they have grown connected over time.

Populated settlements, urban

See boundary=administrative, depending on the country suburbs in larger cities are often grouped into administrative units called boroughs or city districts; using the value borough avoids name confusion in countries that declare districts within their states or counties.

A named part of a bigger settlement where this part is smaller than a suburb and bigger than a neighbourhood. This does not have to be an administrative entity.The term quarter is sometimes used synonymously for neighbourhood.

Dacha or cottage settlement, which is located outside other inhabited locality. This value is used mainly in Russia and other countries of the former Soviet Union, where a lot of such unofficial settlements exist